1999 33c NATO
1952 3¢ NATO
1959 4¢ Nato
1993 29c Dean Acheson
1974 18c Air Post Envelope, red & blue NATO emblem
1988 45c Samuel P. Langley Airmail
1933 3c National Recovery Act
1960 4c SEATO
1940 2c Anti-Aircraft Gun
1942 3c Win the War
1940 3c Torch of Enlightenment
1967 5c Accomplishments in Space
1968 6c Historic American Flags
1947 5c and 10c CIPEX souvenir sheet
1970 6c Disabled American Veterans and Servicemen
1943 2c Nations United for Victory
1971 8c Space Achievements
1990-94 $1 Transportation Series: Seaplane, 1914
1961 8c John J. Pershing
Celebrate America's national pastime during the height of baseball season.
Seven souvenir sheets honor the life and work of Princess Diana.
This collectible proof card features Scott #C120, a joint issue with France commemorating the bicentennial of the French Revolution.